The Knicks try to stay alive against the Celtics in the first round of the 2011 NBA Basketball playoffs.Knicks Playoff Schedule:Game 1 Sunday, April 17 NY at Boston, 7pmGame 2 Tuesday, April 19 NY at Boston, 7pmGame 3 Friday, April 22 Boston at NY, 7pmGame 4 Sunday, April 24 Boston at NY, 3:30pmGame 5* Tuesday, April 26 NY at Boston, time TBDGame 6* Friday, April 29 Boston at NY, time TBDGame 7* Sunday, May 1 NY at Boston, time TBD*if necessary. all times ET